4-Ethynyl-1-methyl-2-(trifluoromethyl)benzene CAS 1343862-48-5
| CAS No. | 1343862-48-5 |
| Molecular Formula | C10H7F3 |
| Molecular Weight | 184.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 184.16 g/mol gives 4-Ethynyl-1-methyl-2-(trifluoromethyl)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Ethynyl-1-methyl-2-(trifluoromethyl)benzene (CAS 1343862-48-5), a certified reference material (molecular formula C10H7F3, MW 184.16 g/mol) for analytical method development and quality control.
Structurally, 4-Ethynyl-1-methyl-2-(trifluoromethyl)benzene (C10H7F3) contains fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 184.16 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Ethynyl-1-methyl-2-(trifluoromethyl)benzene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H7F3 |
| Molecular Weight | 184.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
Related Ethynyl Standards
- 2-Ethynyl-1-methyl-4-(trifluoromethyl)benzene (CAS 121793-11-1)
- 1-Ethynyl-2-methyl-3-(trifluoromethyl)benzene (CAS 2029239-28-7)
- 1-Ethynyl-3-methyl-5-(trifluoromethyl)benzene (CAS 2166730-36-3)
- 2-Ethynyl-5-phenylthiophene (CAS 1665-35-6)
- 5-Ethynyl-6-methoxyquinoline (CAS 1420790-19-7)
- 5-Ethynyl-2-(trifluoromethyl)aniline (CAS 1233512-89-4)
- 4-Ethynyl-2-(trifluoromethyl)aniline (CAS 1233517-89-9)
- 4-Ethynyl-3-(trifluoromethyl)aniline (CAS 1260677-91-5)
Recommended Standards
- 2,2,2-Trifluoro-1-(oxan-3-yl)ethan-1-ol (CAS 1342709-61-8)
- 3-(Trifluoromethyl)-1H-indene (CAS 134391-57-4)
- 3,3-Dimethyl-1-(trifluoromethoxy)butan-2-one (CAS 1334147-34-0)
- 3-Ethoxy-5-fluorobenzoic acid (CAS 1350539-96-6)
- 3-[(octyloxy)methyl]aniline (CAS 1039933-71-5)
- 3-Methyl-N-(4-(trifluoromethyl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-1-carboxamide (CAS 1956318-60-7)
- 5-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)-N-(3-methoxyphenyl)thiophene-2-sulfonamide (CAS 306976-59-0)
- 2-(2-Nitrovinyl)naphthalene (CAS 21461-46-1)
- Benzyl 2-(3-methoxy-3-oxopropanoyl)pyrrolidine-1-carboxylate (CAS 1013353-73-5)
- Imidazo[1,5-a][1,3,5]triazine-2,4-diamine (CAS 557791-38-5)
- 2-(3-Fluorophenyl)-7-methyl-4H-chromen-4-one (CAS 332102-78-0)
- 1-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)-1,4-diazabicyclo[2.2.2]octan-1-ium iodide (CAS 127236-85-5)
- N-(2-Methoxyphenyl)-3-(4-methoxyphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-14-2)
- Galanin-Like Peptide (rat) trifluoroacetate salt (CAS 245114-97-0)
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